Meaning of the word "by oneself" in English

What does "by oneself" mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

by oneself

US /baɪ wʌnˈsɛlf/
UK /baɪ wʌnˈsɛlf/
"by oneself" picture

Idiom

alone; without anyone else

Example:
She prefers to travel by herself.
He built the entire house by himself.